Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | MySQL Server | 8.0.0 – ≤ 8.0.44, 8.4.0 – ≤ 8.4.7, 9.0.0 – ≤ 9.5.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | mysql-8.4 | 8.4.8-0ubuntu1 | — |
| Ubuntu 25.10 | mysql-8.4 | 8.4.8-0ubuntu0.25.10.1 | USN-7994-1 |
| Ubuntu 24.04 LTS | mysql-8.0 | 8.0.45-0ubuntu0.24.04.1 | USN-7994-1 |
| Ubuntu 22.04 LTS | mysql-8.0 | 8.0.45-0ubuntu0.22.04.1 | USN-7994-1 |
| Ubuntu 20.04 LTS | mariadb-10.3 | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | percona-server-5.6 +1 | No fix yet | — |
| Ubuntu 14.04 LTS | mysql-5.5 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | mysql-8.0 | 8.0.45-0ubuntu0.20.04.1+esm2 | USN-8006-1 |
| Ubuntu Pro 18.04 LTS | mysql-5.7 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | mysql-5.7 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | mysql8.4 +7 | 8.4.8-1.el10_1 | RHSA-2026:4162 |
| RHEL 9 | mecab +1 | 0.996-3.module+el9.7.0+24088+36dcab8d.4 | RHSA-2026:5640 |
| RHEL 9 | mecab-ipadic +1 | 2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d | RHSA-2026:5640 |
| RHEL 9 | mysql +6 | 8.0.45-1.el9_7 | RHSA-2026:5640, RHSA-2026:4828 |
| RHEL 9 | mysql-test-data | 8.4.8-1.module+el9.7.0+24088+36dcab8d | RHSA-2026:5640 |
| RHEL 9 | rapidjson +2 | 1.1.0-19.module+el9.7.0+24088+36dcab8d | RHSA-2026:5640 |
| RHEL 8 | mecab +1 | 0.996-2.module+el8.10.0+22857+7f331edd | RHSA-2026:6391, RHSA-2026:5580 |
| RHEL 8 | mecab-ipadic +1 | 2.7.0.20070801-17.module+el8.10.0+22857+7f331edd | RHSA-2026:6391, RHSA-2026:5580 |
| RHEL 8 | mysql +6 | 8.0.45-1.module+el8.10.0+24016+b28eaa79 | RHSA-2026:6391, RHSA-2026:5580 |
| RHEL 8 | mysql-test-data | 8.4.8-1.module+el8.10.0+24007+c07a67f2 | RHSA-2026:6391 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | mysql8.4-common +2 | 8.4.8-1.el10_1 | ALSA-2026:4162 |
| AlmaLinux 9 | mecab +1 | 0.996-3.module_el9.6.0+152+8cbce00c.4 | ALSA-2026:5640 |
| AlmaLinux 9 | mecab-ipadic +1 | 2.7.0.20070801-24.module_el9.6.0+152+8cbce00c | ALSA-2026:5640 |
| AlmaLinux 9 | mysql +6 | 8.0.45-1.el9_7 | ALSA-2026:5640, ALSA-2026:4828 |
| AlmaLinux 9 | mysql-test-data | 8.4.8-1.module_el9.7.0+219+aca48cd3 | ALSA-2026:5640 |
| AlmaLinux 9 | rapidjson-doc +1 | 1.1.0-19.module_el9.6.0+152+8cbce00c | ALSA-2026:5640 |
| AlmaLinux 8 | mecab +1 | 0.996-2.module_el8.6.0+3340+d764b636 | ALSA-2026:6391, ALSA-2026:5580 |
| AlmaLinux 8 | mecab-ipadic +1 | 2.7.0.20070801-17.module_el8.10.0+3965+b415b607 | ALSA-2026:6391, ALSA-2026:5580 |
| AlmaLinux 8 | mysql +6 | 8.0.45-1.module_el8.10.0+4142+0b28b031 | ALSA-2026:6391, ALSA-2026:5580 |
| AlmaLinux 8 | mysql-test-data | 8.4.8-1.module_el8.10.0+4154+a69a9128 | ALSA-2026:6391 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | mysql8.4 | 8.4.8-1.el10_1.rocky.0.1 | RLSA-2026:4162 |
| Rocky Linux 9 | mecab | 0.996-3.module+el9.7.0+40027+0df0d4e0.4 | RLSA-2026:5640 |
| Rocky Linux 9 | mecab-ipadic | 2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0 | RLSA-2026:5640 |
| Rocky Linux 9 | mysql | 8.0.45-1.el9_7 | RLSA-2026:4828 |
| Rocky Linux 9 | rapidjson | 1.1.0-19.module+el9.7.0+40027+0df0d4e0 | RLSA-2026:5640 |
| Rocky Linux 8 | mecab | 0.996-2.module+el8.10.0+1676+9b4b6e24 | RLSA-2026:6391, RLSA-2026:5580 |
| Rocky Linux 8 | mecab-ipadic | 2.7.0.20070801-17.module+el8.10.0+1937+28fbbc83 | RLSA-2026:6391, RLSA-2026:5580 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | mysql | 8.0.45-1 | — |
| Azure Linux 2 (CBL-Mariner) | mysql | 8.0.45-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | mysql8.4 +7 | 8.4.8-1.el10_1 | ELSA-2026-4162 |
| Oracle Linux 9 | mecab +1 | 0.996-3.module+el9.7.0+90850+a687c04f.4 | ELSA-2026-5640 |
| Oracle Linux 9 | mecab-ipadic +1 | 2.7.0.20070801-24.0.1.module+el9.7.0+90850+a687c04f | ELSA-2026-5640 |
| Oracle Linux 9 | mysql +6 | 8.0.45-1.el9_7 | ELSA-2026-5640, ELSA-2026-4828 |
| Oracle Linux 9 | mysql-test-data | 8.4.8-1.module+el9.7.0+90850+a687c04f | ELSA-2026-5640 |
| Oracle Linux 9 | rapidjson-doc +1 | 1.1.0-19.module+el9.7.0+90850+a687c04f | ELSA-2026-5640 |
| Oracle Linux 8 | mecab +1 | 0.996-2.module+el8.10.0+90675+bf1d9af8 | ELSA-2026-6391, ELSA-2026-5580 |
| Oracle Linux 8 | mecab-ipadic +1 | 2.7.0.20070801-17.0.1.module+el8.10.0+90675+bf1d9af8 | ELSA-2026-6391, ELSA-2026-5580 |
| Oracle Linux 8 | mysql +6 | 8.0.45-1.module+el8.10.0+90852+2347412b | ELSA-2026-6391, ELSA-2026-5580 |
| Oracle Linux 8 | mysql-test-data | 8.4.8-1.module+el8.10.0+90860+a2709779 | ELSA-2026-6391 |
Advisories 25
- ALSA-2026:5640 Moderate: mysql:8.4 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:4828 Moderate: mysql security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:4162 Moderate: mysql8.4 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:6391 Moderate: mysql:8.4 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:5580 Moderate: mysql:8.0 security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-1730 Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Jul 16, 2026
- RHSA-2026:6391 Red Hat Security Advisory: mysql:8.4 security update Red Hat Security Advisories (RHSA) · Jul 9, 2026
- RHSA-2026:5640 Red Hat Security Advisory: mysql:8.4 security update Red Hat Security Advisories (RHSA) · Jul 9, 2026
- RHSA-2026:5580 Red Hat Security Advisory: mysql:8.0 security update Red Hat Security Advisories (RHSA) · Jul 9, 2026
- RHSA-2026:4828 Red Hat Security Advisory: mysql security update Red Hat Security Advisories (RHSA) · Jul 9, 2026
- RHSA-2026:4162 Red Hat Security Advisory: mysql8.4 security update Red Hat Security Advisories (RHSA) · Jul 9, 2026
- WID-SEC-2026-0168 Oracle MySQL: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 21, 2026
- RLSA-2026:4162 Moderate: mysql8.4 security update Rocky Linux Security Advisories · May 21, 2026
- USN-8006-1 mysql-8.0 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-7994-1 mysql-8.0, mysql-8.4 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- RLSA-2026:6391 Moderate: mysql:8.4 security update Rocky Linux Security Advisories · Apr 2, 2026
- ELSA-2026-6391 Moderate: mysql:8.4 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Apr 2, 2026
- ELSA-2026-5580 Moderate: mysql:8.0 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Mar 25, 2026
- ELSA-2026-5640 Moderate: mysql:8.4 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Mar 25, 2026
- RLSA-2026:5640 Moderate: mysql:8.4 security update Rocky Linux Security Advisories · Mar 24, 2026
- RLSA-2026:5580 Moderate: mysql:8.0 security update Rocky Linux Security Advisories · Mar 24, 2026
- RLSA-2026:4828 Moderate: mysql security update Rocky Linux Security Advisories · Mar 18, 2026
- ELSA-2026-4828 Moderate: mysql security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Mar 18, 2026
- ELSA-2026-4162 Moderate: mysql8.4 security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Mar 10, 2026
- NCSC-2026-0032 Kwetsbaarheden verholpen in Oracle MySQL NCSC-NL (Netherlands) · Jan 21, 2026
References
- Oracle Advisory vendor-advisory